State profile · Below national median SD

Washington bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Washington — drawn straight from the FHWA National Bridge Inventory.

8,808
Public bridges
42.4%
Good condition
4.8%
Poor condition
4.8%
Structurally deficient

Total Bridges

8,808

Public highway bridges in Washington

Good Condition

42.4%

3,734 bridges rated 7-9

-7.6pp vs 50% benchmark

Poor Condition

4.8%

424 bridges rated 0-4

Structurally Deficient

4.8%

424 bridges flagged for repair priority

-2.2pp vs national avg 7.0%

Washington vs national bridge condition

Washington — Good condition share 42.4%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Washington — Structurally deficient share 16.0%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Washington vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Washington on the same metric.

06

California

4.60% top marginal rate
Structure
Progressive
Burden @ $100K
$27,040

05

Arkansas

4.71% top marginal rate
Structure
Progressive
Burden @ $100K
$5,544
Selected

53

Washington

4.81% top marginal rate
Structure
Progressive
Burden @ $100K
$8,808

18

Indiana

4.94% top marginal rate
Structure
Progressive
Burden @ $100K
$18,630

20

Kansas

5.25% top marginal rate
Structure
Progressive
Burden @ $100K
$23,867

Bridges Needing Most Attention in Washington

Six lowest-condition bridges in Washington, ranked by composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Washington

NORTH DILLARD AVE

Fair

Over: BAKER RIVER

0.1 N MAIN ST, Skagit, WA

Built 1916 Load: 7.3 t ADT: 150

CHRISTENSEN ROAD

Fair

Over: HILINE CANAL

00.72 E FOX ROAD, Kittitas, WA

Built 1931 Load: 7.5 t ADT: 70

MAINTENANCE ROAD

Fair

Over: POTHOLES CANAL

4.8 MILES SO. OF RT262, Grant, WA

Built 1950 Load: 7.8 t ADT: 15

BUMPING RIVER ROAD

Fair

Over: AMERICAN RIVER

00.03 S OF SR 410, Yakima, WA

Built 1972 Load: 7.8 t ADT: 700

EDISON RD.,E.

Fair

Over: SULPHER CREEK WASTEWAY

00.02 W OF SR 241, Yakima, WA

Built 1978 Load: 7.8 t ADT: 1,895

COUNTY ROAD

Fair

Over: EAST LATERER #85

2.03 N JCT SR 260, Franklin, WA

Built 1973 Load: 8.1 t ADT: 266

SE GREEN VALLEY RD

Fair

Over: GREEN RIVER

1.5 MI E OF SR-18, King, WA

Built 1950 Load: 8.1 t ADT: 2,500

COOK-UNDERWOOD RD

Fair

Over: LITTLE WHITE SALMON RIVE

5.60 NE JCT SR 14, Skamania, WA

Built 1957 Load: 8.1 t ADT: 476

HIGHLAND DRIVE

Fair

Over: ROZA CANAL

00.17 E LUCY LANE, Yakima, WA

Built 1965 Load: 8.1 t ADT: 380

KAYS RD.

Fair

Over: WAPATO CANAL

00.51 W LATERAL "B", Yakima, WA

Built 1965 Load: 8.1 t ADT: 579

Arcadia Road

Fair

Over: BUR. NOR. RAILROAD

1.45 E JCT SR 3, Mason, WA

Built 1978 Load: 8.2 t ADT: 4,134

COUNTY ARTERIAL

Fair

Over: WAHLUKE BRANCH CANAL

0.26 S ELBOW 394, Franklin, WA

Built 1957 Load: 8.4 t ADT: 2,356

TAC SPUR-STADIUM N

Fair

Over: SCHUSTER PARKWAY

1.0 N JCT SR 509, Pierce, WA

Built 1974 Load: 8.4 t ADT: 11,151

EAST VALLEY ROAD

Fair

Over: WILSON CREEK

1.7 NE JCT SR 4, Wahkiakum, WA

Built 1964 Load: 8.4 t ADT: 115

E. MARKET ST.

Fair

Over: WISHKAH RIVER

YOUNG STREET, Grays Harbor, WA

Built 1956 Load: 8.7 t ADT: 2,258

U PEOH POINT ROAD

Fair

Over: HILINE CANAL

00.85 W MARKOVICH R, Kittitas, WA

Built 1992 Load: 8.7 t ADT: 701

U PEOH POINT ROAD

Fair

Over: HILINE CANAL

01.26 SW I-90, Kittitas, WA

Built 1991 Load: 8.7 t ADT: 701

TELECKY ROAD

Fair

Over: CRAB CREEK

1.37 SE FAS L221, Lincoln, WA

Built 1940 Load: 8.7 t ADT: 50

EAST 23RD STREET

Fair

Over: CITY WATERWAY- DOCK TO D

01.0 NO. JCT I-5, Pierce, WA

Built 1983 Load: 8.7 t ADT: 2,000

CO RD 02140

Fair

Over: SAN POIL RIVER

00.08E SR 21, Ferry, WA

Built 1971 Load: 9.1 t ADT: 45

WISHKAH ROAD

Fair

Over: MONARCH (WYMAN) CREEK

05.9 N ABERDEEN, Grays Harbor, WA

Built 1900 Load: 9.1 t ADT: 1,498

CLOQUALLUM ROAD

Fair

Over: CLOQUALLUM CREEK

0.7 NE JCT CR 9740, Grays Harbor, WA

Built 1915 Load: 9.1 t ADT: 1,380

CENTER ROAD

Fair

Over: LITTLE QUILCENE RIVER

0.4N JCT SR101, Jefferson, WA

Built 1955 Load: 9.1 t ADT: 2,676

NE CARNATION FARM

Fair

Over: SNOQUALMIE RIVER

0.8 MI W OF SR-203, King, WA

Built 1951 Load: 9.1 t ADT: 1,259

Orcas to Olga road

Fair

Over: Cascade Creek

ORCAS ISLAND, San Juan, WA

Built 1921 Load: 9.1 t ADT: 1,607

PLAZA WAY

Fair

Over: RUSSELL CREEK

00.323 N BRADEN RD, Walla Walla, WA

Built 1920 Load: 9.1 t ADT: 2,595

LOWER HOGEYE RD

Fair

Over: WHISKEY CREEK

00.12S SR 12, Walla Walla, WA

Built 1916 Load: 9.1 t ADT: 170

BYRNES RD

Fair

Over: NINE MILE CANYON

00.13 E SR 12(W), Walla Walla, WA

Built 1916 Load: 9.1 t ADT: 30

BYRNES RD

Fair

Over: UP RR

03.0 W TOUCHET, Walla Walla, WA

Built 1920 Load: 9.1 t ADT: 113

ELDRIDGE AVENUE

Fair

Over: SQUALLICUM CRK-CMSTP&P R

0.07 NW JCT MADRONA ST, Whatcom, WA

Built 1937 Load: 9.1 t ADT: 6,400

BARTLETT STREET

Fair

Over: MCCOY CREEK

0.10 MI E SR 27, Whitman, WA

Built 1900 Load: 9.1 t ADT: 35

CAMPBELL RD.

Fair

Over: TOPPENISH CREEK

0.03 S MARION DRAIN, Yakima, WA

Built 1960 Load: 9.1 t ADT: 36

BUSHNELL DRIVE

Fair

Over: LAGOON

NUW CENTER KEYPORT, Kitsap, WA

Built 1933 Load: 9.4 t ADT: 10

WESTSIDE ROAD

Fair

Over: HILINE CANAL

00.27 W WOOD& STEEL, Kittitas, WA

Built 1986 Load: 9.4 t ADT: 984

LOWELL-SNOH RIV RD

Fair

Over: MARSHLAND FLOOD CANAL

0.9 E Jct I-5, Snohomish, WA

Built 1963 Load: 9.4 t ADT: 5,544

HARRAH ROAD

Fair

Over: TOPPENISH CREEK

0.79S MARION DRAIN, Yakima, WA

Built 1961 Load: 9.4 t ADT: 30

APPROACH ROAD

Fair

Over: WHETSTONE CREEK

0.01 S JCT 9218, Columbia, WA

Built 1962 Load: 10.0 t ADT: 10

HENDRICKS ROAD

Fair

Over: SCOOTENEY RESEVOIR

1.35 W JCT SR 17, Franklin, WA

Built 1954 Load: 10.0 t ADT: 412

COUNTY ARTERIAL

Fair

Over: POTHOLES EAST CANAL

0.43 W SHF. WY 693, Franklin, WA

Built 1957 Load: 10.0 t ADT: 327

SHEFFIELD ROAD

Fair

Over: ESQUATZEL COULEE WASTE W

0.12 W. FIRST AVE. MESA, Franklin, WA

Built 1978 Load: 10.0 t ADT: 413

RED BRIDGE RD

Fair

Over: TEANAWAY RIVER

00.50 N&.45 W US970, Kittitas, WA

Built 1966 Load: 10.0 t ADT: 331

LONGMIRE SERVICE R

Fair

Over: NISQUALLY RIVER

0.25 MILES EAST OF LONGMI, Pierce, WA

Built 1923 Load: 10.0 t ADT: 250

SR 503

Fair

Over: LEWIS RIVER

19.7 N JCT SR 502, Clark, WA

Built 1932 Load: 10.4 t ADT: 1,224

COUNTY ROAD

Fair

Over: ELTOPIA BRANCH CANAL

01.24 E JCT SR 395, Franklin, WA

Built 1965 Load: 10.4 t ADT: 458

COUNTY ROAD

Fair

Over: ELTOPIA BRANCH CANAL

00.64 S PHEND 880, Franklin, WA

Built 1965 Load: 10.4 t ADT: 85

COUNTY ARTERIAL

Fair

Over: WAHLUKE BRANCH CANAL

1.36W COLUMBIA 416, Franklin, WA

Built 1959 Load: 10.4 t ADT: 357

CENTER ROAD

Fair

Over: CHIMACUM CREEK

3.45 JCT FAS9517, Jefferson, WA

Built 1955 Load: 10.4 t ADT: 4,080

TOUCHET NORTH RD

Fair

Over: TOUCHET RIVER

12.051N SR 12, Walla Walla, WA

Built 1983 Load: 10.4 t ADT: 95

MAINTENANCE ROAD

Fair

Over: WEST CANAL W39.9

West Canal W39.9 Station, Grant, WA

Built 1950 Load: 10.7 t ADT: 20

DOSEWALLIPS ROAD

Fair

Over: ROCKY BROOK CREEK

3.0NW JCT SR101, Jefferson, WA

Built 1964 Load: 10.7 t ADT: 98

Showing 1,351-1,400 of 8,808 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.